If your mucus is gray or black... …you likely inhaled dark-colored particles, like smoke from a fire or heavy exhaust. Regular smokers can also blow out darker mucus because of the tar or other toxic ...

A MIRACLE pill that’s been shown to help with many of the symptoms of cystic fibrosis (CF) has been approved for thousands of ...

This cold and flu season, you may be looking for clues you're getting better anywhere you can find them, even in the color of your snot.

The science behind this is simple: when you’re well-hydrated, your body can thin out thick mucus naturally, making it easier to clear your nasal passages. The National Institutes of Health ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Extra mucus in your throat and chest is a common ...

In addition to bronchospasm and inflammation, mucus production can play a role in asthma. The lungs produce thick mucus, which clogs the narrowed airways and makes breathing more difficult.